These are dehydrated so no refrigeration is required (The Muffins DO require refrigeration as they are not dehydrated). Dehydrated treats can be kept on the shelf, in a cool, dry place for up to 2 months & Muffins in the fridge for 2-3 weeks or in the freezer for even longer. Ingredients, sizes available & health benefits are listed under each treat. Bites can be ordered without Organic Catnip.